Alternatives to simulating in web browser?

I'm not getting on with the new Preview & Simulate options. When I Simulate, it takes ages to launch the screen in my web browser (I've just timed a couple of screens at 52 and 53 seconds), which is frustrating when you're making a series of minor changes to get something just right; Preview gives me no interaction. Can I simulate with interaction without using my browser, as used to be the case (or is there a way to speed up the launching of the browser)?

i'm not so fond of the new way of checking the wireframes. Before the 'big' update the simulate showed the prototype within the software and not in the browser. This had the best feature of JIM, when you closed the prototype it opened automatically the last page that you visite. So you can fine tune the thing that wasn't quite good yet.

Now when I see something I have to search the wireframes to make the change.